@article{DM_2017_29_1_a7,
     author = {I. V. Savitskii},
     title = {Computations on register machines with counters},
     journal = {Diskretnaya Matematika},
     pages = {95--113},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2017_29_1_a7/}
}